Math Mysteries
See if you can figure out where D.C.’s mistake is.
Lesson 201
Math
3rd Grade
Join Mrs. Ignagni for a Mystery Math Mistake with D.C. Can you use your magnifying glass and find his mistake?
1st Grade
Represent 8 using a number bond and 10-frame to help solve a Mystery Math Mistake. Use Notice and Wonder to [...]
2nd Grade
Warm up with a Mystery Math Mistake to hunt for the mistake in adding two 2-digit numbers using a decomposition [...]
